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DS1245 Datasheet(PDF) 4 Page - Dallas Semiconductor

Part # DS1245
Description  1024k Nonvolatile SRAM
PDF  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1245 Datasheet(HTML) 4 Page - Dallas Semiconductor

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DS1245Y/AB
4 of 12
CAPACITANCE
(tA=25
°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance
CIN
510
pF
Input/Output Capacitance
CI/O
510
pF
AC ELECTRICAL
(VCC=5V
±=5% for DS1245AB)
CHARACTERISTICS
(tA: See Note 10) (VCC=5V
±=10% for DS1245Y)
DS1245AB-70
DS1245Y-70
DS1245AB-85
DS1245Y-85
PARAMETER
SYMBOL
MIN
MAX
MIN
MAX
UNITS
NOTES
Read Cycle Time
tRC
70
85
ns
Access Time
tACC
70
85
ns
OE
to Output Valid
tOE
35
45
ns
CE
to Output Valid
tCO
70
85
ns
OE
or CE to Output Active
tCOE
5
5
ns
5
Output High Z from Deselection
tOD
25
30
ns
5
Output Hold from Address Change
tOH
55
ns
Write Cycle Time
tWC
70
85
ns
Write Pulse Width
tWP
55
65
ns
3
Address Setup Time
tAW
00
ns
Write Recovery Time
tWR1
tWR2
5
15
5
15
ns
ns
12
13
Output High Z from WE
tODW
25
30
ns
5
Output Active from WE
tOEW
5
5
ns
5
Data Setup Time
tDS
30
35
ns
4
Data Hold Time
tDH1
tDH2
0
10
0
10
ns
ns
12
13



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